Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

M6) PS and Lipids

Polysaccharides and lipids are important macromolecules in cells.

QuestionAnswer
Define polysaccharides. Large molecular compounds made of simple sugar units (monosaccharides) linked together.
Define cellulose. A polysaccharide that is a major component in the tough fibrous cell wall of plants that provides structural support.
Define chitin. A polysaccharide that is found in the exoskeletons of organisms. It acts as a hard outer covering around their bodies.
Define starch. A polysaccharide that is the storage form of excess glucose in plants.
Define glycogen. A polysaccharide that is the storage from of excess sugar in vertebrates.
Define lipids. Organic molecules composed of fatty acid chains linked to a glycerol backbone. They are important in organisms for structural and energy storage purposes.
Define phospholipids. A group of lipids including a phosphate group that is a major constituent of cell membranes.
Define adipose tissue. Where fat reserves are stored. It consists of cells that have a small amount of cytoplasm surrounded by fat globules. It can act as energy storage and provides insulation.
Where is adipose tissue usually found? Under the skin and around vital organs like the heart and kidney.
Where are oils usually found and what are they for? In plants. Energy reserves.
Define waxes. A group of lipids that are are produced by plants and animals. One the surface of many leaves there is a waxy cuticle that prevents water loss.
Define steroids. A group of mostly large lipids that are important as functional molecules.
What is a common lipid found in animal cell membranes? Cholesterol.
How much more energy does a gram of fat store compared to a gram of a polysaccharide like starch? Twice as much.
Created by: MahaliaMcD
Popular Biology sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards